@Test fun testIPv4() {
    val socket =
      MockWebServerSocket(
        FakeSocket(
          localAddress = InetAddress.getByAddress("127.0.0.1", byteArrayOf(127, 0, 0, 1)),
          localPort = 80,
        ),
      )
    val request = RecordedRequest(DEFAULT_REQUEST_LINE_HTTP_1, headers, emptyList(), 0, ByteString.EMPTY, 0, 0, socket)
    assertThat(request.url.toString()).isEqualTo("http://127.0.0.1/")

   * boolean, Object, boolean)} method. If you override {@link #subSet(Object, boolean, Object,
   * boolean)}, you may wish to override {@link #subSet(Object, Object)} to forward to this
   * implementation.
   */
  @Override
  protected SortedSet<E> standardSubSet(
      @ParametricNullness E fromElement, @ParametricNullness E toElement) {

import okio.BufferedSource
import okio.Sink
import okio.Socket
import okio.Source
import okio.Timeout

/** A logical bidirectional stream. */
@Suppress("NAME_SHADOWING")
class Http2Stream internal constructor(
  val id: Int,
  val connection: Http2Connection,
  outFinished: Boolean,
  inFinished: Boolean,
  headers: Headers?,
) : Lockable,
  Socket {

      for (int j = i + 1; j <= 20; j++) {
        assertEquals(expectedSet.subSet(i, false, j, false), asSet.subSet(i, false, j, false));
        assertEquals(expectedSet.subSet(i, true, j, false), asSet.subSet(i, true, j, false));
        assertEquals(expectedSet.subSet(i, false, j, true), asSet.subSet(i, false, j, true));
        assertEquals(expectedSet.subSet(i, true, j, true), asSet.subSet(i, true, j, true));
      }
    }
  }

    val longString = repeat('a', Http2.INITIAL_MAX_FRAME_SIZE + 1)
    val socket = peer.openSocket()
    val connection =
      Http2Connection
        .Builder(true, TaskRunner.INSTANCE)
        .socket(socket.asBufferedSocket(), "peer")
        .pushObserver(IGNORE)
        .build()
    connection.start(sendConnectionPreface = false)
    socket.shutdownOutput()
    assertFailsWith<IOException> {

import okhttp3.internal.intersect

/**
 * Specifies configuration for the socket connection that HTTP traffic travels through. For `https:`
 * URLs, this includes the TLS version and cipher suites to use when negotiating a secure
 * connection.
 *
 * The TLS versions configured in a connection spec are only be used if they are also enabled in the
 * SSL socket. For example, if an SSL socket does not have TLS 1.3 enabled, it will not be used even

    val attempt1 = attempt0.nextConnectionSpec(connectionSpecs, socket)
    assertThat(attempt1).isNotNull()
    assertThat(attempt1!!.isTlsFallback).isTrue()
    socket.close()

    // COMPATIBLE_TLS is used here.
    socket = createSocketWithEnabledProtocols(*enabledSocketTlsVersions)
    connectionSpecs[attempt1.connectionSpecIndex].apply(socket, attempt1.isTlsFallback)

      } else if (from == Bound.EXCLUSIVE && to == Bound.EXCLUSIVE) {
        return set.subSet(firstExclusive, false, lastExclusive, false);
      } else if (from == Bound.EXCLUSIVE && to == Bound.INCLUSIVE) {
        return set.subSet(firstExclusive, false, lastInclusive, true);
      } else if (from == Bound.INCLUSIVE && to == Bound.INCLUSIVE) {
        return set.subSet(firstInclusive, true, lastInclusive, true);
      } else {

  }

  @Override public Socket createSocket(String host, int port) throws IOException {
    Socket result = createSocket();

    try {
      result.connect(new InetSocketAddress(host, port));
    } catch (IOException e) {
      result.close();
      throw e;
    }
    return result;
  }

  @Override public Socket createSocket(

  }

  override fun handle(socket: Socket) {
    val task = serviceSocketTask(socket.asBufferedSocket())
    results.add(task)
    task.run()
  }

  /** Returns a task that processes both request and response from [socket]. */
  private fun serviceSocketTask(socket: BufferedSocket): FutureTask<Void> {
    return FutureTask<Void> {
      socket.source.use {
        socket.sink.use {
          while (true) {